Trick or Treat History Trick or treat history is usually connected to the old custom of souling. In souling, the poor will go from house to house to beg for soul cakes. In return for the soul cakes, the beggars would pray for those members of the family who were recently dead. Soul cakes were round in shape and were made from bread with currants. For more details visit the link below: https://kidzfeed.com/halloween-facts-for-kids/